In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.
{ "binaries": [ { "binary_name": "libservlet3.1-java", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "libservlet3.1-java-doc", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "libtomcat8-java", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "tomcat8", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "tomcat8-admin", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "tomcat8-common", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "tomcat8-docs", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "tomcat8-examples", "binary_version": "8.0.32-1ubuntu1.13" }, { "binary_name": "tomcat8-user", "binary_version": "8.0.32-1ubuntu1.13" } ], "availability": "No subscription required" }